ClinVar Miner

Submissions for variant NM_001145809.2(MYH14):c.1427G>A (p.Arg476His)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001358077 SCV001599353 likely benign not provided 2020-08-04 criteria provided, single submitter clinical testing
Department of Pathology and Laboratory Medicine,Sinai Health System RCV001358077 SCV001553725 uncertain significance not provided no assertion criteria provided clinical testing The MYH14 p.Arg476His variant was not identified in the literature nor was it identified in the ClinVar, Cosmic, or LOVD 3.0 databases. The variant was identified in dbSNP (ID: rs375694189) and in control databases in 45 of 259112 chromosomes at a frequency of 0.000174 (Genome Aggregation Database Feb 27, 2017). The variant was observed in the following populations: African in 41 of 22004 chromosomes (freq: 0.001863), Other in 1 of 6692 chromosomes (freq: 0.000149), East Asian in 1 of 18256 chromosomes (freq: 0.000055), South Asian in 1 of 27928 chromosomes (freq: 0.000036) and Latino in 1 of 33166 chromosomes (freq: 0.00003); it was not observed in the Ashkenazi Jewish, European (Finnish) or European (non-Finnish) populations. The p.Arg476 residue is conserved in mammals and computational analyses (PolyPhen-2, SIFT, AlignGVGD, BLOSUM, MutationTaster) provide inconsistent predictions regarding the impact to the protein; this information is not very predictive of pathogenicity. The variant occurs outside of the splicing consensus sequence and in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer) do not predict a difference in splicing. In summary, based on the above information the clinical significance of this variant cannot be determined with certainty at this time. This variant is classified as a variant of uncertain significance.

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